Question

which is biggest underground railway network

Answer 1

London Underground, commonly known as the Tube, with a total route length of 402km is the world's fourth longest subway system.It is also the oldest metro system in the world and has been operational since 1863. It comprises of 11 lines and 270 stations, and is operated by Transport for London (TfL).

Answer 2

Answer:

Answer:

The Beijing Subway is the world's busiest and longest metro system, while the New York City Subway has the greatest number of stations. The country with the most metro systems is China, with 39 operational.

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